Home / 1,541,203.20-2,126,774.88-862,008.48

Finding the Fourth Proportional to 1,541,203.20, 2,126,774.88 and 862,008.48

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Solution

The fourth proportional to 1,541,203.20, 2,126,774.88 and 862,008.48 is: 1,189,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,203.20 : 2,126,774.88 = 862,008.48 : x
  2. Step 2: Convert to fraction form
    1,541,203.20/2,126,774.88 = 862,008.48/x
  3. Step 3: Cross multiply
    1,541,203.20x = 2,126,774.88 × 862,008.48
  4. Step 4: Simplify right side
    1,541,203.20x = 1,833,297,981,610.98
  5. Step 5: Solve for x
    x = 1,833,297,981,610.98/1,541,203.20
  6. Step 6: Final answer
    x = 1,189,523.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.